.body {
    padding: 0;
    margin: 0;
}

#layui-layer-content {
    height: 300px;
}

.layui-tab-card {
    position: absolute;
    left: 50%;
    top: 45%;
    width: 800px;
    height: 500px;
    transform: translate(-50%, -50%);
}

.layui-form {
    position: absolute;
    left: 50%;
    top: 60%;
    width: 600px;
    height: 300px;
    transform: translate(-50%, -50%);
    padding: 20px;
    margin-left: 50px;
    border-radius: 10px;
    /*        box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);*/
}

.layui-layer-page .layui-layer-content {
    padding: 40px;
}

.operate-submit {
    margin-top: 30px;
}

.layui-tab-item p {
    color: #6f6868;
    margin-bottom: 30px;
}

h2 {
    padding: 20px;
    width: 100%;
}

.layui-tab-card>.layui-tab-title .layui-this {
    background-color: skyblue !important;
}

.layui-tab-title li {
    font-size: 16px !important;
    padding: 0 25px !important;
}

.excel-type {
    position: absolute;
    top: 50%;
    left: 40%;
    transform: translate(-50%, -50%);
    width: 300px;
}